BIRD 3.1.x - "cli v2 attributes" - some attributes not shown in v2 format

[Alexander Zubkov]

Hi Rob,

Try the attached patch.

Regards,
Alexander

On Sun, Sep 7, 2025 at 11:29 AM Rob Lister <rob at lonap.net> wrote:

>
> Hello,
>
> I've enabled cli "/path/to/socket.ctl" { v2 attributes; } for backward
> compatibility, but
> it looks like some of the attributes are not displayed in the v2 format:
>
> (bgp_community and bgp_large_community)
>
>
> 91.xxx.xxx.xxx/22      unicast [pb_as65001_vli19999_ipv4 2025-09-06
> 22:35:27] * (100) [AS65002i]
>          via 5.57.82.xx on eth1
>          Type: BGP univ
>          BGP.origin: IGP
>          BGP.as_path: 65001 65002
>          BGP.next_hop: 5.57.82.xx
>          BGP.local_pref: 100
>          bgp_community: (65001,1) (65001,64702)
>          bgp_large_community: (8330, 1000, 1) (8330, 1001, 1)
>
>
> BIRD 2 shows it as:
>
>          BGP.community:
>          BGP.large_community:
>
>
> I searched the code and it's in
> https://gitlab.nic.cz/labs/bird/-/blob/v3.1.3/proto/bgp/attrs.c
>
> But I don't know any C, and it doesn't look like an "obvious" problem.
>
> But this file is more than 3000 lines of code. So I ran away and hid.
>
>
> Rob
>
>
> --
> Rob Lister
> rob at lonap.net
> +44 20 3137 8330
>
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